Known plaintext - XOR

20 Points  0x0

For this challenge you will need to decypher a simple XORed picture.

Author

Ryscrow,  

Level  Difficulty

Validations

0 Challengers 3%

Note  Notation

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286 Votes

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 5 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
NGUYEN PHUC CHUONG   Known plaintext - XOR 16 April 2021 at 19:56
Zfires   Clair connu - XOR 16 April 2021 at 18:01
mc5qu4r3   Known plaintext - XOR 16 April 2021 at 15:47
BOUGA   Clair connu - XOR 16 April 2021 at 14:18
Tuan Tran   Known plaintext - XOR 16 April 2021 at 10:30
D0pp3lgang3r   Clair connu - XOR 15 April 2021 at 22:10
salomon974   Clair connu - XOR 15 April 2021 at 16:27
Azuro   Clair connu - XOR 15 April 2021 at 16:25
2705_DNL   Known plaintext - XOR 15 April 2021 at 10:31
PingouinMazo   Clair connu - XOR 15 April 2021 at 05:22

 51 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Encoding - ASCII 26% 55995 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 21% 43701 5 g0uZ 10 7 October 2006
pas_valide Hash - Message Digest 5 21% 43951 5 g0uZ 7 31 January 2010
pas_valide Hash - SHA-2 11% 22592 5 koma 4 3 June 2012
pas_valide Shift cipher 7% 13788 10 m31z0nyx 9 16 February 2011
pas_valide Pixel Madness 6% 10891 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 5702 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 8127 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 10228 15 Arod 4 22 October 2011
pas_valide Known plaintext - XOR 3% 6108 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 2376 20 Tosh 5 19 December 2012
pas_valide File - Insecure storage 1 3% 6336 20 g0uZ 6 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 6795 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 3% 4459 20 Silentd 4 23 December 2012
pas_valide Transposition - Rail Fence 2% 4146 20 YellowS4 3 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 801 25 Tie21 2 17 June 2018
pas_valide AES - ECB 1% 1708 25 cez40 4 29 November 2015
pas_valide LFSR - Known plaintext 1% 530 25 Brissouille 1 28 November 2017
pas_valide RSA - Factorisation 2% 2903 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 1013 25 Zweisamkeit 3 11 May 2017
pas_valide Service - Timing attack 1% 1916 25 g0uZ 4 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 2431 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 157 25 NonStandardModel 1 14 August 2020
pas_valide Initialisation Vector 1% 1307 25 manticore 5 25 August 2015
pas_valide GEDEFU 1% 425 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 13 30 Podalirius 2 22 March 2021
pas_valide RSA - Corrupted key 1 1% 248 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 977 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 1070 30 franb 2 24 December 2016
pas_valide Service - Hash length extension attack 1% 662 30 koma 1 19 August 2015
pas_valide AES - 4 Rounds 1% 178 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 157 35 Jrmbt 2 22 September 2019
pas_valide RSA - Padding 1% 187 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 79 35 s4r 1 9 March 2020
pas_valide AES128 - CTR 1% 489 40 Tosh 2 28 August 2015
pas_valide Discrete logarithm problem 1% 723 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 166 40 blackndoor 0 11 January 2018
pas_valide RSA - Corrupted key 3 1% 85 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 895 40 franb 3 29 November 2015
pas_valide AES - Fault attack #1 1% 94 50 Cryptanalyse 1 20 September 2018
pas_valide Enigma Machine 1% 160 50 peyman 2 12 October 2016
pas_valide ECDHE 1% 160 60 Tosh 2 20 November 2016
pas_valide RSA - Lee cooper 1% 75 60 blackndoor 1 7 November 2019
pas_valide Service - CBC Padding 1% 854 60 koma 1 4 October 2012
pas_valide Polyalphabetic substitution - One Time Pad 1% 312 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 122 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 80 70 Cryptanalyse 1 29 August 2018
pas_valide Hash - SHA-3 1% 108 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 69 80 Cryptanalyse 1 20 September 2018
pas_valide AES-PMAC 1% 14 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 22 100 Tosh 0 29 September 2019